/* LzmaLib.c -- LZMA library wrapper
   2008-08-05
   Igor Pavlov
   Public domain */

#include "Types.h"

#include "LzmaEnc.h"
#include "LzmaDec.h"
#include "Alloc.h"
#include "LzmaLib.h"

static void * SzAlloc(void* p, size_t size) {
    p = p; return MyAlloc(size);
}
static void SzFree(void* p, void* address) {
    p = p; MyFree(address);
}
static ISzAlloc g_Alloc = { SzAlloc, SzFree };

MY_STDAPI LzmaCompress(unsigned char* dest, size_t* destLen, const unsigned char* src, size_t srcLen,
                       unsigned char* outProps, size_t* outPropsSize,
                       int level, /* 0 <= level <= 9, default = 5 */
                       unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
                       int lc, /* 0 <= lc <= 8, default = 3  */
                       int lp, /* 0 <= lp <= 4, default = 0  */
                       int pb, /* 0 <= pb <= 4, default = 2  */
                       int fb, /* 5 <= fb <= 273, default = 32 */
                       int numThreads /* 1 or 2, default = 2 */
                       )
{
    CLzmaEncProps props;
    LzmaEncProps_Init(&props);
    props.level = level;
    props.dictSize = dictSize;
    props.lc = lc;
    props.lp = lp;
    props.pb = pb;
    props.fb = fb;
    props.numThreads = numThreads;

    return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
                      NULL, &g_Alloc, &g_Alloc);
}


MY_STDAPI LzmaUncompress(unsigned char* dest, size_t* destLen, const unsigned char* src, size_t* srcLen,
                         const unsigned char* props, size_t propsSize)
{
    ELzmaStatus status;
    return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);
}